Form creation date: 01.04.2008
Document creation date: 13.01.2020
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Security Summary
II 2 G
Instrument for detecting the presence of gases or vapors of category 2 suitable for zone 1
with redundancy for zone 2
Ex ia d
Instrument with intrinsically safe circuits and chamber of analysis for Gas with explosion-
proof enclosure
II C
Equipment for gases of group IIB and IIA and IIC
T4
Temperature class of equipment (surface temperature)
CE
Mark of conformity to the applicable European Directives
Mark of conformity for Directive 2014/34/EU
CESIxxATEXyyy
Name of the laboratory that issued the CE certificate; xx = Year of issue;
yyy = number of the certificate.
XXXX
Number of the Notified Organization conducting the surveillance system
Notes:
a) The devices for Group IIC are suitable also for group IIA and IIB;
b) Equipment with temperature class T4 are also suitable for all the substances with higher class
temperature (T3, T2, T1);
Other precautions for the usage
The charging of the batteries must be in a safe place with the appropriate external adapter.
Do not open the instrument by unauthorized personnel, the opening of which invalidate the
certification.
TESTING AND MAINTENANCE
The checks and maintenance of certified equipment should be performed according to the criteria
of the standard EN60079-17.
REPAIR
In the event of malfunction or damage is recommended to send the equipment to QED
Environmental Systems Limited or an authorized service distributor who will repair it.
Remarks :
a)
Group devices IIC are adapted to the environments IIA and IIB ;
b)
Apparatus with temperature class T4 are also suitable for all substances with higher
temperature class (T3, T2, T1) ;
